org.fryske_akademy.jsf.lazy.NewSupportingLazyModel Maven / Gradle / Ivy
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package org.fryske_akademy.jsf.lazy;
/*-
* #%L
* guiCrudApi
* %%
* Copyright (C) 2018 Fryske Akademy
* %%
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
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* #L%
*/
import java.util.List;
import org.fryske_akademy.jpa.EntityInterface;
import org.fryske_akademy.jsf.AbstractLazyController;
/**
* LazyModel that supports creating new entities in a datatable.
*
* @author eduard
*/
public abstract class NewSupportingLazyModel extends AbstractLazyModel {
public NewSupportingLazyModel(Class clazz) {
super(clazz);
}
/**
* adds new entity to wrapped data, so table shows it and you are able to
* change and store
*
* @param list
*/
@Override
public void setWrappedData(Object list) {
List wrappedData = (List) list;
EntityInterface newEntity = ((AbstractLazyController) getLazyController()).getNewEntity();
if (newEntity != null) {
if (!wrappedData.contains(newEntity)) {
wrappedData.add(newEntity);
}
}
super.setWrappedData(list);
}
/**
* adds one to the number of rows when {@link AbstractLazyController#getNewEntity() } is not null.
* @param rowCount
*/
@Override
public void setRowCount(int rowCount) {
super.setRowCount(((AbstractLazyController) getLazyController()).getNewEntity() == null ? rowCount : rowCount + 1);
}
}